"Fluffy coffee cake muffins topped off with a mountain of buttery, crumbly streusel!These breakfast treats are simple to make and the mile high pile of streusel is absolutely addictive, good luck eating just one!..."
INGREDIENTS
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1/4 cup melted butter ((57g))
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1/4 cup canola oil (may substitute vegetable oil (60ml))
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3/4 cup sugar ((150g))
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1/4 cup brown sugar (tightly packed (50g))
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1 large egg + 1 egg white (room temperature preferred)
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1 1/2 teaspoon vanilla extract
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1/2 cup buttermilk (room temperature preferred (120ml))
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1 3/4 cup all-purpose flour ((220g))
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2 teaspoons baking powder
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2 teaspoons corn starch ((cornflour in UK))
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1/2 teaspoon cinnamon
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1/2 teaspoon salt
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1 1/4 cup all-purpose flour ((156g))
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1/2 cup light brown sugar tightly packed ((100g))
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1/3 cup sugar ((66g))
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3/4 teaspoon ground cinnamon
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6 Tablespoons butter (melted (85g))